package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.MinioConfig.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import lombok.AllArgsConstructor;
import org.checkerframework.checker.units.qual.A;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {
    @Autowired
    private MinioProperties minioProperties;
    @Autowired
    private MinioClient minioClient;
    @Override
    public String load(MultipartFile file)throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException
    {
        //创建桶
        boolean exists = minioClient.bucketExists(BucketExistsArgs.builder().
                bucket(minioProperties.getBucketName()).build());
        if (!exists)
        {
            minioClient.makeBucket(MakeBucketArgs.builder().
                    bucket(minioProperties.getBucketName()).build());
            String config= """
                    {
                        "Version": "2012-10-17",
                        "Statement": [
                            {
                                "Effect": "Allow",
                                "Principal": {
                                    "AWS": [
                                        "*"
                                    ]
                                },
                                "Action": [
                                    "s3:GetObject"
                                ],
                                "Resource": [
                                    "arn:aws:s3:::ikun/*"
                                ]
                            }
                        ]
                    }""";
            //设置访问权限
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().
                    bucket(minioProperties.getBucketName()).
                    config(config).build());
        }
        //拼接访问地址
        String objectName = new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/" + UUID.randomUUID().toString() + "_"
                + file.getOriginalFilename();
        minioClient.putObject(PutObjectArgs.builder().
                bucket(minioProperties.getBucketName()).
                contentType(file.getContentType())
                .object(objectName)
                .stream(file.getInputStream(),file.getSize(),-1).build());
        return String.join("/", minioProperties.getEndPoint(), minioProperties.getBucketName(),objectName);
    }
}
